NOS-120 Exam Questions Answered Correctly Latest Version

NOS-120 Exam Questions Answered Correctly Latest Version Linux is written in - Answers C The Linux platform that runs on mobile phones is called: - Answers Android What does a distribution provide to add and remove software from the system? - Answers Package manager The bootloader's job is to: - Answers Load the kernel after the computer is powered on. TF: The command rmdir can be used to delete a directory that is not empty - Answers False- need modifier To move a file you use the ___ command along with the source file name and destination name. - Answers mv In UNIX/Linux, text files and binary files are considered to be ___ files - Answers regular the ____ option of the find command displays files that have been changed within the last n minutes. - Answers -mmin n TF: You can complete a project using awk that you cannot complete using a combination of past, cut, sort, and join. - Answers True System administrators and programmers refer to standard output as: - Answers stdout When you no longer need a directory, you can use command _____ to remove it - Answers rmdir The join command is used to associate information in two different files on the basis of a common field or ___ in those files. - Answers key TF: When you are moving files, using the -o option with the mv command can be a good idea so that you don't unexpectedly overwrite a destination file with the same name. - Answers False -i This option prevents the touch command from creating a file if it does not already exist. - Answers -c When deleting a directory with rm, this option is used to recursively delete its files and subdirectories. - Answers -r Option of the cp command that provides a warning before an existing file with the same name is overwritten - Answers -i Option of the mv command that overwrites a destination file with the same name, if the source file is newer than the one in the destination. - Answers -u Is an option of the find command - Answers -name Cane be used with cat to combine the contents of two fields - Answers Combines files side by side - Answers paste Option of the cut command used to indicate that a specific character separates the fields - Answers -d Option of the sort command used to indicate that a specific character separates the fields - Answers -t In Linux, the native file system is the __, which is installed by default. - Answers ext fs The ___ is shorthand for the home directory, which typically has the same name as the user's account name. - Answers tilde(~) TF: A disadvantage of ufs is that it does not support journaling. - Answers False TF: The rm -r command can be used to delete a directory that is not empty. - Answers True TF: A directory is a special kind of file that can contain other files and directories. - Answers True The term ____ refers to a "black hole"; any data sent to this device is gone forever. - Answers null If you plan to have multiples users access a system, you can create a _____ partition, which is the home directory for all users' directories. - Answers /home If you have configured your prompt so that it does not show your working directory, you can use the ___ command to verify in what directory you are located, along with the directory path. - Answers pwd The ___ partition acts like an extension of memory, so that UNIX/Linux have more room to run large programs. - Answers swap Houses kernel modules, security information, and the shared library images. - Answers /lib Mount points for temporary mounts by the system administrator reside in this directory. - Answers /mnt Is a relatively new recommendation of the FHS - Answers /media This directory occupies no space on the disk - Answers /proc Home directory for the system administrator. - Answers /root Programs that start the system, programs needed for file system repair, and essential network programs are stored in this directory. - Answers /sbin Temporary place to store data during processing cycle. - Answers /tmp Houses software offered to users - Answers /usr Holds subdirectories that often change in size. - Answers /var You can use ____ to search backward in Emacs - Answers Ctrl+r Insert mode which lets you enter text, is accessed by typing the letter ____ after the vi editor is started - Answers i The ____ option of the diff command shows lines surrounding the line that differs - Answers -c The ____ option of the diff command does not compare for blank lines - Answers -B The ___ option of the diff command is used to disply the differences side-by-side in columns - Answers -y The __ command removes duplicate lines from a file - Answers uniq When using the printf function, ____ indicates that the output is to appear in decimal digits. - Answers %d The ___ option of the diff command ignores blanks that repeat - Answers -b The ___ redirects the output of one command to the input of another command. - Answers pipe operator (|) Compares sorted files and shows differences - Answers comm Selects lines or rows - Answers grep Counts character, words, or lines in a file - Answers wc Select columns (fields) - Answers cut Compares and selects differences in two files - Answers diff Formats and prints - Answers pr Edits data streams - Answers sed Sorts and merges multiple files - Answers sort Translates and deletes character by character - Answers tr Wildcard characters are also known as ___ characters - Answers glob In shell scripts, comment lines begin with: - Answers pound (#) symbol